Module 2

Question 1

What are Hosts

Answer 1

A Host is when all computers connected to a network that participate directly in network communication are classified as hosts

Question 2

What can Hosts act as

Answer 2

hosts can act as a client, a server, or both

Question 3

What are Clients

Answer 3

Clients are computer hosts that have software installed that enables the hosts to request and display the information obtained from the server

Question 4

(Clients) Email

Answer 4

The email server runs email server software. Clients use mail client software

Question 5

(Clients) Web

Answer 5

The Web server runs web server software. Clients use browser software

Question 6

(Clients) File

Answer 6

The file server stores corporate and user files in a central location. The clients devices access these files with client software

Question 7

P2P

Answer 7

peer-to-peer

Question 8

What type of network is a P2P network

Answer 8

In small businesses and homes, many computers function as the servers and clients on the network.

Question 9

How to larger P2P network

Answer 9

Multiple PCs can also be connected to create a larger P2P network, but this requires a network device, such as a switch, to interconnect the computers.

Question 10

What is the main disadvantage of a P2P network

Answer 10

P2P environment is that the performance of a host can be slowed down if it is acting as both a client and a server at the same time.

Question 11

The 4 advantages of peer-to-peer networking:

Answer 11

• Less complex
  
  • Lower cost because network devices and dedicated servers may not be required
  • Can be used for simple tasks such as transferring files and sharing printers
  • Easy to set up

Question 12

The 4 disadvantages of peer-to-peer networking:

Answer 12

• No centralized administration
  
  • Not as secure
  • Not scalable
  • All devices may act as both clients and servers which can slow their performance

Question 13

What does a P2P applications require

Answer 13

P2P applications require that each end device provide a user interface and run a background service.

Question 14

What can a computer with server software do?

Answer 14

It can provide services simultaneously to one or many clients.
Additionally, a single computer can run multiple types of server software.
A single computer can also run multiple types of client software.
2.1.5

Question 15

network infrastructure contains three categories of hardware components, what are they

Answer 15

• End devices
• Intermediate devices
• Network media
  2.2.2

Question 16

List end devices

Answer 16

Desktop Computer, Laptop, printer, IP phone, wireless tablet, Mobile device, TelePresence Endpoint

Question 17

List Intermediate devices

Answer 17

Wireless Router, LAN Switch, Router, Multilayer Switch, Firewall Appliance

Question 18

List the 3 Network Media

Answer 18

LAN Media, WAN Media,Wirless Media

Question 19

ISP

Answer 19

Internet Service Provider

Question 20

What is an ISP

Answer 20

An ISP can be the local cable provider, a landline telephone service provider, the cellular network that provides your smartphone service, or an independent provider who leases bandwidth on the physical network infrastructure of another company.

Question 21

What does ISP do

Answer 21

Each ISP connects to other ISPs to form a network of links that interconnect users all over the world.

Question 22

What is the primary medium that connects the internet backbone

Answer 22

fiber-optic cable
2.3.1

Question 23

ISP Connections

Answer 23

2.3.2

Question 24

What is Cable

Answer 24

internet, provided by cable TV service, uses the same coaxial cable for data and television signals. It offers a high-bandwidth, always-on connection. A cable modem separates internet data from other signals on the cable, providing an Ethernet connection to a computer or LAN.

Question 25

DSL

Answer 25

Digital Subscriber Line

Question 26

What is DSL

Answer 26

is a high-bandwidth, always-on internet connection using a special modem to separate DSL and telephone signals. It runs over a telephone line with three channels: one for voice calls, allowing simultaneous internet use; a faster download channel; and a slightly slower upload channel. DSL quality and speed depend on phone line quality and proximity to the central office, with greater distance resulting in slower connections.

Question 27

What Did I Learn in this Module

Answer 27

2.4.1